Transition panel of a truck vehicle



FIG. 1 is a right, front perspective view of a left side embodiment of atransition panel of a truck vehicle showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right view thereof; and,

FIG. 5 is a left view thereof.

The ornamental design for a transition panel of a truck vehicle, asshown and described.